Window lock



Feb, 17. 1925. 1,526,380

` G. C. SHEALY WINDOW LOCK FiledApril 11, 1925 INVENTOR YJ//Zw/ ATTORNEY Patented Feb. 17, 1925.

N f 1,526,380 PATENT OFFICE.)

GRANT c. snnALY, or` naarj cLnvELAND, omo.

WINDOW Loox.

Applicatie!)I led April 11, 1923. 4Serial 110,631,306.'

To all whom t may concern: "Be it known that I, GRANT C. SHEALY, acitizen of the United States, and a resident of'East Cleveland, county of Cuyahoga, and State of Ohio, have invented a new and useful Improvement inWindow Locks, of which thefollowing is a specification.

My invention relates to window locks.

l The object-of `my invention is an eiicient but `simple window lock, economical of manufacture and of upkeep, easy to apply to l existing windows, doesnot get out of order easily, locks and releasesthe window automatically, and effectively locks either part of a window to the other after it is ralsed a certain distance `and automatically unlocks the window when either of the parts is beingclosed; Other objects will appear during the description of the apparatus shown in the drawing.

I` attain these objects by the mechanism illustrated in the accompanying drawing in `which Fig. 1 is a plan view of portions of an upper and a lower window'with my lock applied and shown in normal position ready to `lock the windows or to permit them to move-freely according to'which way the window is moved; Fig. 2 is a section on line 2--2o Fig. 1 clearly showing4 a side view of my lock; Fig. 3 is a general perspective view showing more clear y a portion of the window structure and the relation of my lock thereto.

Similar reference characters refer to similar parts 'throughoutthe views.

It is quite desirable that windows be kept open a certain distancefor suitable ventilationin homes etc., but it is also desirable that intruders may not enter through open windows.v

H Therefore it is desirable that a lock be provided which locks the window in desired position.

. In: the accompanyin drawing I have shown my lock as applic to a window having a wood frame. It is quite obvious, however, that my lock may be applied to other kinds of windows as well as to other apparatus operatin similar to the two parts of the window s own.

" Referring now particularly to the draw- The lock shown in the drawing consists of the stationary member A and the pivoted member B The member A has the body. portion which is secured to the top of the lower part C ot' the window by means of the screws 11 and, 12 and has the hinge-eyes 13 and 14. 1

` This member A .is very economically formed by `cutting out the central f portion of one end of a suitable plate and then bending the portions on each side of this cut out portion arcuately upward to form` the hinge-'eyes 13 and' 14.

` The member B has the body ortion 15 and the hinge-eye 16 on one end t ereof and a looped portion onthe other end thereof. This loop portion consists of the upper arcuate portion 17, the lower arcuate portion 18, the arcuate contact portion 19 eccentric With the hinge-pin 22 and connecting the portions 17 vand 18, the flat portion to form an abutment for the free end of theloop for the purpose of preventing the loop from closing in connecting the ortions 17 and 15, and the `at portion 21 a utting substantially at the juncture ot portions 15 and 20. Y

The portion 19 is made arcuate and ecv end of a suitable plate and then bending the portion'left in the center arcuately upward to form the hinge-eye 16. The other end of the plate is then formed into the loop as shown. It is, of course, obvious that the loop maybe formed first instead of `first forming the hinge-eye.

It is noted that the hinge-eye 16 fits in between the hinge-eyes 13 and 14 and the previously lnentioned cuts of both of the plates should be made accordinglyv before the bending operations begin so that no additional fitting is required when assembling the lock to the end that the cost of prof duction is reduced to a minimum.

The hinge-pin 22 passes through the hinge-eyes 13, 14, and 16 and is, conveniently, riveted over on each end as is common in many hinges. A hinge-joint is thereby formed which permits the member B to move pivotall7 on the member A.

When insta ling this lock on a. window as shown in the drawing, the member A should be so located that the member B normally lparts C or D,

-swung right handedly (as viewed in Fig. 2)

until the portion 19 contacts the part D. The looped end of the member B may now be pushed down slightly which movement locks the parts C and D to each other due to the Wedging action exerted by the member B; then the part D can not be moved downward and the part C can not-be moved upward: therefore neither part of the window can be opened any further than orlginally intended Without manipulating the lock which must be done from the inside.

It is not absolutely necessary that the looped portion of the member B be pushed down as previously mentioned; it 1s sutlicient that the looped end is swung so that the outer end thereof contacts the part D. Any attempt thereafter to either raise the part C or lower the part D will cause this looped end to lirmly grip and wedge the part D, due to the inclined installation of the member B, and wedge itself against the part D whereby a wedging action is created whichl increases with the amount of pressure exerted on either the part C or D.

The downward movement of the part C, or the upward movement of the part D, or in other words, the closing of the window, is not affected by the lock due 'to the inclined mounting of the member B which permits these movements of the parts C and D without wedging.

Therefore, a window provided with va lock of the character described can be closed from the inside or from the outside without operating the lock, but cannot be opened either from the inside or the outside without operating the lock from the inside. This lock also prevents'rattling of windows.

Having described my invention as now contemplated,

I claim 1. A window lock comprising a stationary member, and a pivoted member having one end thereof hinged to said stationary member and the other end thereof rovided with a loop having the end thereo abutting the main body of this ivoted member to prevent closing in of t is loop.

2. A Window lock comprising a stationary member, and a pivoted member having one end thereof hinged to said stationary member and the other end thereof provided with a loop having an arcuate contact portion eccentric with said hinge joint and the end of this loop abutting the main body of this pivoted member to prevent closing in of this loop.

3. The combination of a window having two parts adapted to slide over each other, and a lock comprising a stationary member secured to one of said window parts, and a pivoted member having one end thereof hinged to said stationary member and the other end thereof provided with a loop having an arcuate contact portion eccentric with said hinge joint to provide increasing wedge action between said window parts durino' manipulation of either one or of both of said parts toward opening positions while this arcuate portion contacts the other of said parts. y

-4. The combination of a window having a lower part and an upper part adapted to slide over each other, and a lock comprising a stationary member secured to said lower part, and a pivoted member having one end thereof hinged to said stationary member and the other end thereof provided with a loop having an arcuate contact portion eccentric with said hinge joint and adapted to Contact said upper art to provide increasing wedge action etween said parts during manipulation of either one or of both of said parts toward opening positions while this arcuate portion contacts said upper part.

5. The combination of a window having a lower part and an upper part adapted to slide over each other, and a lock comprising a stationary member secured to said lower part, and a pivoted member having one end thereof hinged to said stationary member and the other end thereof provided with a loop having an arcuate portion eccentric with said hinge joint and adapted to contact said upper part to provide increasing wedge action between said parts durin manipulation of either one or of both of sai parts toward opening positions, and the end of said loop abutting the main body of said pivoted member to prevent closing in of said loop.

GRANT C. SI-IEALY. 

